Alert archive / Indiana / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 110, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 12, 1987, 9:43 PM EST for Jackson County, Indiana. It was in force for 32 min.
The area
The counties it named.
The facts
- Issued
- Jul 12, 1987, 9:43 PM EST (02:43 UTC)
- Expired
- Jul 12, 1987, 10:15 PM EST
- In force
- 32 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Jackson County, IN
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Dayton/James M C, OH (KDAY), launched 00:00Z, 2.7 hours before the alert went out and 193 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2905 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1137 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIND 130245 SVRIND INC071-130315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 943 PM EST SUN JUL 12 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM EST FOR PEOPLE IN THE FOLLOWING COUNTY OF SOUTH CENTRAL INDIANA...WESTERN JACKSON AT 935 PM EST...TREES WERE BLOWN DOWN IN THE LAWRENCE COUNTY IN FOUR DIFFERENT LOCATION. THIS IS A DANGEROUS STORM. TAKE COVER IMMEDIATELY ! ...SEVERE THUNDERSTORMS...PRODUCE STRONG DAMAGING WINDS... LARGE HAIL...HEAVY RAIN AND DEADLY LIGHTNING. GERY
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jul 12, 5:12 PM EST, 4 hours 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 505 PM EST SUN JUL 12 1987 THE SEVERE THUNDERSTORMS WARNING FOR BENTON COUNTY HAS EXPIRED. AT 448 PM EST THE BENTON COUNTY CIVIL DEFENSE REPORTED WINDS OF 20 TO 25 MILES AN HOUR NORTH OF FOWLER. AT 500 PM EST RADAR SHOWED A LINE OF THUNDERSTORMS FROM PLYMOUTH... SOUTHWEST THROUGH WINAMAC TO FOWLER..WHICH IS 20 MILES NORTHWEST OF LAFAYETTE. THE STRONGEST OF THE STORM WAS JUST NORTH OF FOWLER. ALL OF THE STORMS WERE MOVING NORTHEAST AT 20 MILES AN HOUR. THESE STORMS WILL PRODUCE STRONG GUSTY WIND...HEAVY RAIN AND DEADLY LIGHTNING. PERSONS IN THE PATH OF THESE STORMS SHOULD SEEK SHELTER. SWIMMERS AND BOATERS ON LAKE SHAFER AND ON LAKE FREEMAN SHOULD TAKE SHELTER. THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT OF MOST OF WESTERN AND NORTHERN INDIANA UNTIL 8 PM EST. PERSONS IN THE WATCH AREA SHOULD CONTINUE TO BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITiIONS. LISTEN TO THIS STATION FOR FURTHER INFORMATION FROM THE NATIONAL WEATHER SERVICE. GERY
Special weather statement, Jul 12, 6:03 PM EST, 3 hours 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 600 PM EST SUN JUL 12 1987 AT 530 PM EST 40 MILES THE INDIANA STATE POLICE REPORTED 40 MILE AN HOUR WINDS JUST NORTH OF REYNOLDS...ABOUT 20 MILES NORTH OF LAFAYETTE. THE WHITE COUNTY SHERIFF REPORTED AT 550 PM EST WIND SPEEDS OF 40 MILES AN HOUR IN BUFFALO IN NORTHEAST WHITE COUNTY. ALSO VISIBILITIES WERE BEING REDUCE TO ZERO IN THE AREA BY HEAVY RAINS. AT 550 PM EST RADAR SHOWED A LINE OF THUNDERSTORMS FROM 10 MILES SOUTH OF SOUTH BEND TO 20 MILES SOUTHWEST OF LAFAYETTE. THE STRONGEST STORM WAS OVER WHITE COUNTY 30 MILES TO THE NORTHEAST OF LAFAYETTE. THESE STORMS WILL PRODUCE STRONG GUSTY WIND...HEAVY RAIN AND DEADLY LIGHTNING AND WERE MOVING EAST AT 25 MILES AN HOUR. BOATERS ON LAKE SHAFER AND ON LAKE FREEMAN SHOULD REMAIN IN SHELTER. THE SEVERE THUNDERSTORMS WATCH CONTINUES FOR NORTHERN AND WESTERN INDIANA UNTIL 8 PM EST SOME CITIES STILL IN THE WATCH ARE SOUTH BEND...LAFAYETTE... TERRE HAUTE...EVANSVILLE...LOGANSPORT...VINCENNES AND KOKOMO. PERSONS IN THE WATCH AREA SHOULD CONTINUE TO BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. LISTEN TO THIS STATION FOR FURTHER INFORMATION FROM THE NATIONAL WEATHER SERVICE. GERY
Special weather statement, Jul 12, 6:20 PM EST, 3 hours 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 615 PM EST SUN JUL 12 1987 AT 610 PM EST RADAR SHOWED A VERY STRONG THUNDERSTORM IN THE AREA AROUND LOGANSPORT IN CASS COUNTY. AT 612 PM EST THE INDIANA STATE POLICE REPORTED WIND SPEEDS OF 40 MILES AN HOUR AT LOGANSPORT. THIS STORM WILL CONTINUE TO MOVE EAST TOWARD THE CITY OF PERU ALONG US 24. OTHER THUNDERSTORMS WERE FROM NEAR ROCHESTER..20 MILES NORTH OF LOGANSPORT AND 10 MILES NORTH OF KOKOMO. THESE STORMS CAN PRODUCE STRONG GUSTY WIND...HEAVY RAIN AND DEADLY LIGHTNING AND WERE MOVING EAST AT 25 MILES AN HOUR. THE SEVERE THUNDERSTORM WATCH CONTINUES FOR NORTHERN AND WESTERN INDIANA UNTIL 8 PM EST PERSONS IN THE WATCH AREA SHOULD CONTINUE TO BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. LISTEN TO THIS STATION FOR FURTHER INFORMATION FROM THE NATIONAL WEATHER SERVICE. GERY
Special weather statement, Jul 12, 7:36 PM EST, 2 hours 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 735 PM EST SUN JUL 12 1987 TWO SEVERE THUNDERSTORM WATCHES ARE IN EFFECT FOR MOST OF INDIANA UNTIL 11 PM EST. THE WATCHES INCLUDES THAT PART OF INDIANA..SOUTHEAST OF A LINE FROM SOUTH BEND TO TERRE HAUTE AND NORTH OF A LINE FROM EVANSVILLE TO CINCINNATI. SOME CITIES INCLUDED ARE...FORT WAYNE...INDIANAPOLIS..RICHMOND BLOOMINGTON...COLUMBUS...AND MUNCIE. AT 727 PM EST RADAR SHOW A VERY STRONG STORM NEAR MARSHALL ILLINOIS ...20 MILES WEST OF TERRE HAUTE. THIS STORM WAS MOVING EAST AT 25 MILES AN HOUR AND WILL ENTER INDIANA BEFORE 800 PM EST OTHER STORMS WERE FROM 10 MILES WEST OF LEBANON...30 MILES SOUTHEAST OF LAFAYETTE TO 10 MILES NORTH OF TERRE HAUTE. AN OTHER AREA OF THUNDERSTORMS WAS FROM 10 MILES NORTHEAST OF THE CITY OF MARION TO 5 MILES NORTHEAST OF MUNCIE. ALL OF THE THUNDERSTORMS WERE MOVING EAST AT 25 AT 30 MILES AN HOUR. PERSONS IN THE WATCH AREAS SHOULD CONTINUE TO BE ALERT FOR RAPID CHANGES IN WEATHER CONDITIONS AS THESE STORMS APPROACH. GERY
Special weather statement, Jul 12, 8:12 PM EST, 1 hour 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 810 PM EST SUN JUL 12 1987 AT 800 PM EST RADAR SHOW THUNDERSTORMS CONTINUE TO DEVELOPED OVER NORTHERN...CENTRAL AND WEST CENTRAL INDIANA. ONE LINE OF THUNDERSTORMS WAS FROM JUST NORTH OF INDIANAPOLIS SOUTHWEST TO TERRE HAUTE. THE STRONGEST STORM WAS 20 NORTHWEST OF DOWNTOWN INDIANAPOLIS..NORTH OF BROWNSBURG. ANOTHER STRONG STORM WAS 15 MILES EAST OF TERRE HAUTE NEAR BRAZIL. ALSO ANOTHER STRONG STORM WAS 12 MILES SOUTH OF TERRE HAUTE. ANOTHER LINE OF THUNDERSTORMS WAS FROM NEAR FORT WAYNE SOUTH TO 20 MILES SOUTHEAST OF MUNCIE. ALL OF THE THUNDERSTORMS WERE MOVING EAST AT 25 AT 30 MILES AN HOUR AND WERE PRODUCING HEAVY RAINS AND STRONG GUSTLY WINDS. PERSONS IN THE WATCH AREAS SHOULD CONTINUE TO BE ALERT FOR RAPID CHANGES IN WEATHER CONDITIONS AS THESE STORMS APPROACH. GERY
Special weather statement, Jul 12, 9:05 PM EST, 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 905 PM EST SUN JUL 12 1987 AT 900 PM EST RADAR SHOW A LINE OF THUNDERSTORMS FROM 5 NORTH OF MUNCIE SOUTHWEST THROUGH INDIANAPOLIS..GREENCASTLE TO ABOUT 25 MILES SOUTH OF TERRE HAUTE. THE STRONGEST STORMS WERE IN CENTRAL INDIANA. ONE WAS 10 MILES WEST OF THE INDIANAPOLIS INTERNATIONAL AIRPORT...SOUTH OF THE CITY OF DANVILLE. AT 840 PM EST THE INDIANA STATE POLICE REPORTED A FUNNEL CLOUD SOUTH OF DANVILLE. ANOTHER STRONG STORM WAS OVER THE NORTHERN PART OF INDIANAPOLIS AND THE TOWN OF CARMEL AND NOBLESVILLE. ALSO A STRONG STORM WAS NEAR THE CITY OF MUNCIE. THESE STRONGER STORMS ARE PRODUCING VERY HEAVY RAIN WHICH WILL CAUSE PONDING OF WATER ON ROADS AND REDUCE VISIBILITIES. ALL OF THE THUNDERSTORMS WERE MOVING EAST AT 25 AT 30 MILES AN HOUR. PERSONS IN THE WATCH AREAS SHOULD CONTINUE TO BE ALERT FOR RAPID CHANGES IN WEATHER CONDITION AND SHOULD CONTINUE TO LISTEN TO THIS STATION FOR FURTHER INFROMATION. A SEVERE THUNDERSTORMS WATCH CONTINUE IN EFFECT UNTIL 11 PM EST FOR THAT PART OF INDIANA..SOUTHEAST OF A LINE FROM SOUTH BEND TO TERRE HAUTE AND NORTH OF A LINE FROM EVANSVILLE TO CINCINNATI. K SOME CITIES INCLUDED ARE...FORT WAYNE...INDIANAPOLIS..RICHMOND BLOOMINGTON...COLUMBUS...AND MUNCIE GERY
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 9:20 PM EST | Severe Thunderstorm Warning | IND | Johnson | 25 min |
| Jul 12, 9:50 PM EST | Flash Flood Warning | IND | Hancock | 2 hr |
Nearby
Severe Thunderstorm Warnings in Indiana, 1987Every severe thunderstorm warning in 1987
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.